TY  - BOOK
AU  - Mann,K.H.
TI  - Leeches (Hirudinea) their structure, physiology, ecology and embryology
U1  - 595.15 
PY  - 1962///
CY  - Oxford, New York
PB  - Pergamon Press
KW  - Leeches
N1  - Includes index
ER  -